CVE-2024-50148

MediumCVSS 5.5/10Last modified Oct 15, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: bnep: fix wild-memory-access in proto_unregister

There's issue as follows: KASAN: maybe wild-memory-access in range [0xdead...108-0xdead...10f] CPU: 3 UID: 0 PID: 2805 Comm: rmmod Tainted: G W RIP: 0010:proto_unregister+0xee/0x400 Call Trace: <TASK> __do_sys_delete_module+0x318/0x580 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f

As bnep_init() ignore bnep_sock_init()'s return value, and bnep_sock_init() will cleanup all resource. Then when remove bnep module will call bnep_sock_cleanup() to cleanup sock's resource. To solve above issue just return bnep_sock_init()'s return value in bnep_exit().

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

VendorProductVersions
LinuxLinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < e232728242c4e98fb30e4c6bedb6ba8b482b6301; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 2c439470b23d78095a0d2f923342df58b155f669; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 6c151aeb6dc414db8f4daf51be072e802fae6667; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < fa58e23ea1359bd24b323916d191e2e9b4b19783; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 03015b6329e6de42f03ec917c25c4cf944f81f66; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < d10cd7bf574ead01fae140ce117a11bcdacbe6a8; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 20c424bc475b2b2a6e0e2225d2aae095c2ab2f41; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 64a90991ba8d4e32e3173ddd83d0b24167a5668c
LinuxLinux2.6.12
SiemensSIMATIC S7-1500 TM MFP - GNU/Linux subsystem< V1.1.1

References

Timeline

Published
Nov 7, 2024
Last modified
Oct 15, 2026
NVD status
Modified

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CVE-2024-50148: Medium severity, CVSS 5.5 | Vulnix